2981264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 6791232

約数和(自身を除く): 3809968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 1303, 2288, 2606, 5212, 10424, 14333, 16939, 20848, 28666, 33878, 57332, 67756, 114664, 135512, 186329, 229328, 271024, 372658, 745316, 1490632, 2981264]

約数ペア:

[(1, 2981264), (2, 1490632), (4, 745316), (8, 372658), (11, 271024), (13, 229328), (16, 186329), (22, 135512), (26, 114664), (44, 67756), (52, 57332), (88, 33878), (104, 28666), (143, 20848), (176, 16939), (208, 14333), (286, 10424), (572, 5212), (1144, 2606), (1303, 2288)]